CVE-2026-36763 — The /Api/Blade-Desk/Notice/Submit Endpoint Of SpringBlade Cross-Site Scripting (XSS)

CVE-2026-36763 — The /Api/Blade-Desk/Notice/Submit Endpoint Of SpringBlade Cross-Site Scripting (XSS)

CVE-2026-36763 — A stored cross-site scripting (XSS) vulnerability in the /api/blade-desk/notice/submit endpoint of SpringBlade v4.8.0 allows attackers to execute arbitrary web scripts or HTML via injecting a crafted input into the content parameter.

What This Means For You

  • If your environment is affected by CWE-79, review your exposure and prioritize patching based on your environment. Monitor vendor advisories for CVE-2026-36763 updates and patches.

Related ATT&CK Techniques

🛡️ Detection Rules

5 rules · 6 SIEM formats

5 detection rules auto-generated for this incident, mapped to MITRE ATT&CK. Sigma YAML is free — export to any SIEM format via the Intel Bot.

high T1190 Initial Access

Web Application Exploitation Attempt — CVE-2026-36763

Sigma YAML — free preview
title: Web Application Exploitation Attempt — CVE-2026-36763
id: scw-2026-04-30-1
status: experimental
level: high
description: |
  Detects common exploitation patterns targeting web applications. Review CVE-2026-36763 advisories for specific indicators.
author: SCW Feed Engine (auto-generated)
date: 2026-04-30
references:
  - https://shimiscyberworld.com/posts/nvd-CVE-2026-36763/
tags:
  - attack.initial_access
  - attack.t1190
logsource:
    category: webserver
detection:
  selection:
      cs-uri-query|contains:
        - '..'
        - 'SELECT'
        - 'UNION'
        - '<script'
        - 'cmd='
        - '/etc/passwd'
      condition: selection
falsepositives:
  - Legitimate activity from CVE-2026-36763

Source: Shimi's Cyber World · License & reuse

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Indicators of Compromise

IDTypeIndicator
CVE-2026-36763 vulnerability CVE-2026-36763
CWE-79 weakness CWE-79
Source & Attribution
Source PlatformNVD
ChannelNational Vulnerability Database
PublishedApril 30, 2026 at 21:16 UTC

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